/**
 * ARTINCARB - Modern Design System
 * Inspired by julesstudio.co
 * Minimalist, clean, and professional design
 */

/* ============================================
   CSS VARIABLES & TYPOGRAPHY
   ============================================ */

:root {
  /* Colors - Minimalist Palette */
  --color-primary: #0a0a0a;
  --color-primary-light: #1a1a1a;
  --color-secondary: #ffffff;
  --color-accent: #D4AF37;
  --color-accent-strong: #8a6700;
  --gradient-accent: linear-gradient(135deg, #D4AF37, #FFD700, #B8860B);
  --color-accent-hover: linear-gradient(315deg, #FFE27A, #FFEB3B, #A87400);
  --color-text: #1a1a1a;
  --color-text-muted: #666666;
  --color-text-light: #999999;
  --color-border: #e5e5e5;
  --color-border-light: #f0f0f0;
  --color-background: #ffffff;
  --color-background-alt: #fafafa;
  --color-background-dark: #040017;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-heading: Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Container */
  --container-max: 1200px;
  --container-padding: 24px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.cf-turnstile {
  max-width: 100%;
}

.cf-turnstile iframe {
  max-width: 100%;
}

.turnstile-wrap {
  width: 100%;
  overflow: hidden;
}

.turnstile-wrap .cf-turnstile {
  transform: scale(0.72);
  transform-origin: left top;
}

.sidebar .cf-turnstile {
  width: 100%;
  display: block;
  transform: scale(0.72);
  position: relative;
  left: -40px;
  transform-origin: left top;
}

.sidebar .cf-turnstile iframe {
  width: 100% !important;
}

.sidebar {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-alt {
  background-color: var(--color-background-alt);
}

.section-dark {
  background-color: var(--color-background-dark);
  color: var(--color-secondary);
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
}

.flex-center {
  align-items: center;
  justify-content: center;
}

.flex-between {
  justify-content: space-between;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ============================================
   TOP BAR
   ============================================ */
.topbar {
  background-color: var(--color-background-dark);
  color: var(--color-secondary);
  font-size: 0.8125rem;
  padding: var(--space-sm) 0;
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.topbar__meta {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.topbar__link {
  color: var(--color-secondary);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.topbar__link:hover {
  opacity: 1;
}

.topbar__tag {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--container-padding);
  gap: var(--space-xl);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.brand__logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.brand__text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.nav {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.lang {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 600;
}

.lang__link {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.lang__link:hover,
.lang__link.active {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--gradient-accent);
  color: #000;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}

.btn--primary:hover {
  background-color: var(--gold-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn--secondary {
  background-color: var(--color-primary);
  color: var(--color-secondary);
}

.btn--secondary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn--outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-secondary);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--sm {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
}

.btn--lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1rem;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-secondary);
  overflow: hidden;
}

.hero__background {
  position: absolute;
  inset: 0;
  opacity: 0.15;
}

.hero__bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 0, 145, 0.189) 0%, rgba(0, 6, 76, 0.402) 50%);
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero__text {
  animation: fadeUp 0.8s ease-out;
}

.hero__chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero__title span {
  color: var(--color-accent);
}

.hero__description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-2xl);
  max-width: 540px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero__visual {
  animation: fadeUp 0.8s ease-out 0.2s backwards;
}

.hero__card {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  padding: var(--space-lg);
  backdrop-filter: blur(20px);
}

.hero__image {
  width: 100%;
  height: 320px;
  border-radius: var(--radius-xl);
  background-image: url('../images/2018-09/rock2.webp');
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-2xl);
}

/* Stats in Hero */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.stat {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: var(--space-lg);
  border-radius: var(--radius-xl);
  text-align: center;
}

.stat__value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
  display: block;
}

.stat__description {
  font-size: 0.8125rem;
  opacity: 0.6;
  margin-top: var(--space-xs);
  display: block;
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin-bottom: var(--space-md);
}

.section-header__title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.section-header__description {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 540px;
  margin: 0 auto;
}

.section-header--left {
  text-align: left;
}

.section-header--left .section-header__description {
  margin: 0;
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border);
}

.card__image {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.card__content {
  padding: var(--space-xl);
}

.card__tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin-bottom: var(--space-sm);
}

.card__title {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.card__description {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent-strong);
  transition: gap var(--transition-fast);
}

.card__link:hover {
  gap: var(--space-sm);
}

.card__link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.card__link:hover::after {
  transform: translateX(4px);
}

/* ============================================
   APPLICATIONS GRID
   ============================================ */

.apps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.apps-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.apps-item:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.apps-item__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.apps-item__text {
  font-weight: 600;
  color: var(--color-primary);
}

.catalog-banner {
  position: relative;
  padding: 56px 0;
  background: linear-gradient(120deg, rgba(18, 26, 35, 0.95), rgba(18, 26, 35, 0.8));
  color: white;
  overflow: hidden;
}

.catalog-banner__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(245, 196, 66, 0.35), transparent 40%),
              radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.15), transparent 45%);
  opacity: 0.9;
}

.catalog-banner__content {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: var(--space-2xl);
  align-items: center;
}

.catalog-banner__eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.catalog-banner__title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  margin: 0 0 var(--space-sm);
  color: white;
}

.catalog-banner__text {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
}

.catalog-banner__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: flex-end;
}

@media (max-width: 768px) {
  .catalog-banner {
    padding: 44px 0;
  }

  .catalog-banner__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .catalog-banner__actions {
    align-items: center;
  }
}

/* ============================================
   CTA BAND
   ============================================ */

.cta-band {
  background-color: var(--color-background-dark);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.cta-band__content h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.cta-band__content p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   NEWSLETTER
   ============================================ */

.newsletter {
  background-color: var(--color-background-dark);
  color: var(--color-secondary);
  padding: var(--space-3xl) 0;
}

.newsletter .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.newsletter__content strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.newsletter__content span {
  font-size: 0.9375rem;
  opacity: 0.7;
}

.newsletter__form {
  display: flex;
  gap: var(--space-sm);
}

.newsletter__input {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background-color: var(--color-secondary);
  min-width: 280px;
  font-size: 0.9375rem;
}

.newsletter__input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.newsletter__button {
  padding: var(--space-md) var(--space-xl);
  background: var(--gradient-accent);
  color: #040017;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-base);
}

.newsletter__button:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background-color: var(--color-background-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-4xl) 0 var(--space-2xl);
  margin-top: auto;
}

.footer .container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
}

.footer__brand img {
  width: auto;
  height: 40px;
  max-width: 100%;
  object-fit: contain;
  margin-bottom: var(--space-md);
}

.footer__brand p {
  font-size: 0.9375rem;
  line-height: 1.6;
}

.footer__title {
  color: var(--color-secondary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent);
}

.footer__contact-item {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.9375rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  animation: fadeUp 0.8s ease-out;
}

.fade-up--delay-1 { animation-delay: 0.1s; }
.fade-up--delay-2 { animation-delay: 0.2s; }
.fade-up--delay-3 { animation-delay: 0.3s; }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  :root {
    --container-padding: 20px;
  }
  
  .hero__content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .hero__title {
    font-size: 3rem;
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }

  .brand__logo {
    height: 40px;
  }

  .topbar__tag {
    display: none;
  }

  .topbar__meta {
    justify-content: space-between;
    flex: 1;
  }

  .header .container {
    flex-wrap: nowrap;
  }

  .lang {
    order: 2;
    margin-left: auto;
  }

  .menu-toggle {
    order: 3;
    margin-left: var(--space-sm);
  }

  .header .btn.btn--sm {
    display: none;
  }

  .hero {
    padding: 50px 0;
  }

  .hero__content {
    text-align: center;
    align-items: center;
  }

  .hero__actions {
    justify-content: center;
  }
  
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-secondary);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    gap: var(--space-md);
  }
  
  .nav.open {
    display: flex;
  }
  
  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--space-sm);
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
  }
  
  .menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-fast);
  }
  
  .hero {
    min-height: 70vh;
  }
  
  .hero__title {
    font-size: 2.5rem;
  }
  
  .hero__description {
    font-size: 1rem;
  }
  
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .apps-grid {
    grid-template-columns: 1fr;
  }
  
  .stats {
    grid-template-columns: 1fr;
  }
  
  .cta-band {
    text-align: center;
    justify-content: center;
  }
  
  .newsletter .container {
    flex-direction: column;
    text-align: center;
  }
  
  .newsletter__form {
    width: 100%;
    max-width: 400px;
  }
  
  .footer .container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 2rem;
  }
  
  .section-header__title {
    font-size: 2rem;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
}

/* ============================================
   PRODUCT PAGE LAYOUT
   ============================================ */

/* Product page with sidebar layout */
.product-page-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-xl);
}

.product-page-layout .sidebar {
  position: sticky;
  top: 80px;
  height: fit-content;
}

.product-page-layout .product-main {
  display: flex;
  flex-direction: column;
}

/* Responsive product page layout */
@media (max-width: 1024px) {
  .product-page-layout {
    grid-template-columns: 240px 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .product-page-layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .product-page-layout .sidebar {
    position: static;
    order: 2;
  }
  
  .product-page-layout .product-main {
    order: 1;
  }
}

/* Product Type grid responsive */
.product-type-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 640px) {
  .product-type-grid {
    grid-template-columns: 1fr;
  }
}

/* Product type card */
.product-type-card {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-base);
}

.product-type-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border);
}

.product-type-card img[data-lightbox] {
  width: 100%;
  height: 250px;
  object-fit: contain;
  background-color: var(--color-secondary);
  display: block;
}

.facilities-gallery .product-type-card img[data-lightbox] {
  object-fit: cover;
}

.product-type-card__content {
  padding: var(--space-md);
}

.product-type-card__title {
  font-size: 0.875rem;
  font-weight: 600;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden { display: none; }
.visible { display: block; }

/* ============================================
   APPLICATION DETAIL SECTIONS
   ============================================ */

.application-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-2xl) 0;
}

.application-detail--reverse {
  direction: rtl;
}

.application-detail--reverse .application-detail__content {
  direction: ltr;
}

.application-detail__image {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.application-detail__image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.application-detail__content {
  padding: var(--space-xl);
}

.application-detail__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.application-detail__text {
  color: var(--color-text-muted);
  line-height: 1.8;
}

.application-detail__text p {
  margin-bottom: var(--space-md);
}

.application-detail__text h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

/* Responsive application detail */
@media (max-width: 1024px) {
  .application-detail {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .application-detail--reverse {
    direction: ltr;
  }
  
  .application-detail__image img {
    height: 300px;
  }
  
  .application-detail__title {
    font-size: 1.75rem;
  }
}

@media (max-width: 640px) {
  .application-detail__image img {
    height: 250px;
  }
  
  .application-detail__title {
    font-size: 1.5rem;
  }
  
  .application-detail__content {
    padding: 0;
  }
}